:root{color-scheme:dark;font-family:Space Grotesk,system-ui,sans-serif;background:radial-gradient(circle at 15% 20%,rgba(177,117,255,.4),transparent 25%),radial-gradient(circle at 85% 5%,rgba(90,220,255,.32),transparent 22%),linear-gradient(180deg,#12082d,#1d1254 40%,#081531);color:#f3f5ff;--panel: rgba(12, 18, 52, .76);--panel-border: rgba(175, 193, 255, .18);--text-soft: #c9d5ff;--accent: #8b6dff;--accent-2: #5ce7ff;--success: #8cffda;--warning: #ffd87c;--danger: #ff9fc0;--shadow: 0 24px 60px rgba(2, 8, 25, .35)}*{box-sizing:border-box}html,body,#root{height:100%;min-height:100%;margin:0;overflow-x:hidden}body{min-height:100vh;min-height:100dvh;min-height:100svh;overflow-y:auto}button,input{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;min-height:100dvh;min-height:100svh;height:auto;padding:16px;overflow:auto;-webkit-overflow-scrolling:touch}.app-shell.playing-screen{padding:8px}.app-shell.scoreboard-screen{--scoreboard-bottom-gap: clamp(20px, 3vh, 32px);padding-bottom:var(--scoreboard-bottom-gap)}.app-frame{max-width:1220px;width:min(1220px,100%);margin:0 auto;display:grid;gap:18px;min-height:100%}.app-frame:not(.playing-screen){align-content:start;padding-bottom:clamp(12px,2vh,24px)}.app-frame.scoreboard-screen{min-height:calc(100vh - 16px - var(--scoreboard-bottom-gap));min-height:calc(100dvh - 16px - var(--scoreboard-bottom-gap));min-height:calc(100svh - 16px - var(--scoreboard-bottom-gap));height:auto;grid-template-rows:auto minmax(0,1fr)}.app-frame.playing-screen{--play-layout-gap: clamp(10px, 1.6vh, 18px);--play-panel-padding: clamp(12px, 2vh, 22px);--play-stage-padding: clamp(8px, 1.6vh, 14px);--play-toolbar-gap: clamp(8px, 1.4vh, 14px);--play-status-gap: clamp(8px, 1.2vh, 12px);--play-status-padding-y: clamp(8px, 1.4vh, 14px);--play-status-padding-x: clamp(10px, 1.6vw, 16px);--play-status-badge-padding-y: clamp(4px, .8vh, 8px);--play-status-badge-padding-x: clamp(8px, 1vw, 12px);--play-status-label-size: clamp(.68rem, 1.1vh, .82rem);--play-control-height: clamp(40px, 6vh, 50px);--play-control-padding-x: clamp(12px, 1.8vw, 18px);--play-submit-height: clamp(46px, 6.8vh, 58px);--play-keypad-gap: clamp(8px, 1.4vh, 12px);--play-keypad-display-height: clamp(74px, 10.5vh, 92px);--play-keypad-button-height: clamp(70px, 10vh, 86px);--play-keypad-font-size: clamp(1.6rem, 3.6vw, 2.5rem);--play-keypad-display-size: clamp(2.1rem, 5.2vw, 3.8rem);max-width:none;width:100%;min-height:calc(100vh - 16px);min-height:calc(100dvh - 16px);min-height:calc(100svh - 16px);gap:var(--play-layout-gap)}.top-bar,.section-head,.status-row,.hero-actions,.result-grid{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}.eyebrow{margin:0 0 6px;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:#99dfff}h1,h2,p{margin:0}h1,h2,.mode-title,.question-card h2,.answer-button,.primary-button,.secondary-button{font-family:"Baloo 2",sans-serif}h1{font-size:clamp(2rem,4vw,3.4rem);line-height:.95}h2{font-size:clamp(1.4rem,3.2vw,2.4rem);line-height:1}.panel{background:var(--panel);border:1px solid var(--panel-border);border-radius:28px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.top-bar{padding:12px 6px 0}.hero-panel,.result-panel,.panel{padding:22px}.hero-panel{display:grid;gap:20px;grid-template-columns:1.2fr .8fr;min-height:380px;align-items:stretch}.hero-copy,.hero-card,.summary-box,.empty-state{display:grid;gap:16px}.hero-copy{align-content:center}.hero-copy p,.mode-copy,.summary-box,.score-meta span,.score-side span,.feedback{color:var(--text-soft);line-height:1.5}.hero-badge,.question-label,.status-card span,.result-card span,.field span{display:inline-flex;align-items:center;justify-content:center;width:fit-content;padding:8px 12px;border-radius:999px;background:#7c5fff2e;border:1px solid rgba(162,160,255,.2);font-size:.82rem}.hero-card,.summary-box,.empty-state,.question-card{padding:18px;border-radius:24px;background:linear-gradient(180deg,#111a46e6,#0e1230b8);border:1px solid rgba(195,215,255,.14)}.field{display:grid;gap:10px}.difficulty-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.difficulty-card{min-height:108px;padding:14px;border:1px solid rgba(205,220,255,.14);border-radius:18px;background:#6162d324;color:#f7fbff;text-align:left;display:grid;gap:6px}.difficulty-card strong{font-family:"Baloo 2",sans-serif;font-size:1.25rem}.difficulty-card small{color:var(--text-soft);line-height:1.35}.difficulty-card.selected{background:linear-gradient(135deg,#936dffdb,#60e7ffcc);border-color:#eef6ff61;color:#08142f;box-shadow:0 18px 30px #54c1ff38}.difficulty-card.selected small{color:#08142fd1}.field input{border:1px solid rgba(180,196,255,.2);background:#090f28e6;color:#fff;border-radius:18px;padding:16px 18px;font-size:1.05rem}.primary-button,.secondary-button,.ghost-button,.mode-card,.answer-button{min-height:58px;border:0;border-radius:20px;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}.primary-button,.secondary-button,.ghost-button{padding:14px 22px}.primary-button{color:#041128;background:linear-gradient(135deg,#9f8cff,#66ebff);box-shadow:0 16px 28px #55c3ff47}.secondary-button,.ghost-button,.mode-card,.answer-button{color:#f7fbff;background:#6162d32e;border:1px solid rgba(205,220,255,.14)}.ghost-button{min-height:50px;background:#6371b81f}.primary-button:hover,.secondary-button:hover,.ghost-button:hover,.difficulty-card:hover,.mode-card:hover,.keypad-button:hover,.answer-button:hover{transform:translateY(-2px) scale(1.01)}.primary-button:disabled,.ghost-button:disabled,.mode-card:disabled{opacity:.45;cursor:default;transform:none}.mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}.active-difficulty{margin-top:12px;color:var(--text-soft)}.mode-card{text-align:left;min-height:120px;padding:18px;display:grid;gap:10px;align-content:start}.mode-card.spotlight{background:linear-gradient(135deg,#805aff66,#45d2ff47)}.mode-card.selected{background:linear-gradient(135deg,#936dffdb,#60e7ffcc);border-color:#eef6ff61;color:#08142f;box-shadow:0 18px 30px #54c1ff38}.mode-card.selected .mode-copy{color:#08142fd1}.mode-card.start-card{align-content:center;justify-items:center;text-align:center;color:#042012;background:linear-gradient(135deg,#8cffb7,#49e38b);box-shadow:0 16px 28px #49e38b47}.mode-card.start-card .mode-copy{color:#042012d1}.mode-title{font-size:1.5rem}@media(max-width:1024px),(max-height:840px){.mode-grid{gap:10px;margin-top:14px}.active-difficulty{margin-top:10px}.mode-card{min-height:84px;padding:14px;gap:6px}.mode-title{font-size:1.25rem}.mode-copy{display:none}}.game-layout{display:grid;gap:18px}.game-stage{padding:14px}.game-stage-inner{position:relative;overflow:hidden;border-radius:24px;aspect-ratio:4 / 3;width:100%}.game-canvas{min-height:0;height:100%}.game-loading{min-height:460px;display:grid;place-items:center;font-family:"Baloo 2",sans-serif;font-size:1.6rem;color:#d7e8ff;background:radial-gradient(circle at center,rgba(132,104,255,.18),transparent 35%),linear-gradient(180deg,#12082df5,#0c143aeb)}.game-canvas canvas{display:block;width:100%;height:100%;border-radius:24px}.hud-overlay{position:absolute;inset:0;padding:16px;pointer-events:none}.hud-top{display:flex;gap:8px;flex-wrap:wrap}.hud-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#0d13346b;border:1px solid rgba(210,220,255,.18);min-width:auto;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.status-card,.result-card{display:grid;gap:8px;padding:14px 16px;border-radius:20px;background:#0d1334a3;border:1px solid rgba(210,220,255,.18);min-width:110px}.hud-chip strong,.status-card strong,.result-card strong,.score-side strong{font-size:1.2rem}.hud-icon{font-size:1rem;display:inline-flex;align-items:center;justify-content:center}.question-overlay{position:absolute;inset:50% 16px auto;transform:translateY(-56%);text-align:center}.question-overlay h2{margin:0;font-family:"Baloo 2",sans-serif;font-size:clamp(2.8rem,10vw,5.4rem);line-height:.95;text-shadow:0 0 20px rgba(12,20,58,.8),0 8px 28px rgba(12,20,58,.6)}.game-over-overlay{position:absolute;inset:0;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at center,rgba(132,104,255,.28),transparent 42%),#05091c8f}.game-over-overlay-card{display:grid;gap:0;width:min(100%,680px);padding:24px;text-align:center;color:#fff}.game-over-overlay-card h2{margin:0;font-family:"Baloo 2",sans-serif;font-size:clamp(4rem,12vw,7.5rem);line-height:.9;color:#fff;text-shadow:0 10px 40px rgba(7,12,33,.8)}.feedback.success{color:var(--success)}.feedback.warning{color:var(--warning)}.feedback.danger{color:var(--danger)}.feedback.shield{color:var(--accent-2)}.answer-panel{display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:18px}.app-frame.playing-screen .game-layout{grid-template-columns:minmax(0,1fr) clamp(280px,32vw,360px);min-height:calc(100vh - 16px);min-height:calc(100dvh - 16px);min-height:calc(100svh - 16px);align-items:stretch;gap:var(--play-layout-gap)}.app-frame.playing-screen .game-stage,.app-frame.playing-screen .answer-panel{min-height:0}.app-frame.playing-screen .game-stage{display:grid;place-items:center;padding:var(--play-stage-padding)}.app-frame.playing-screen .game-stage-inner{width:min(100%,calc((100vh - 32px) * 4 / 3));width:min(100%,calc((100dvh - 32px) * 4 / 3));width:min(100%,calc((100svh - 32px) * 4 / 3));max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);max-height:calc(100svh - 32px)}.app-frame.playing-screen .answer-panel{padding:var(--play-panel-padding);gap:var(--play-toolbar-gap)}.app-frame.playing-screen .answer-toolbar{display:grid;gap:var(--play-toolbar-gap);align-content:start}.app-frame.playing-screen .inline-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(8px,1vw,10px)}.app-frame.playing-screen .status-feedback{min-height:20px;font-size:clamp(.88rem,1.6vh,1rem);line-height:1.35}.app-frame.playing-screen .ghost-button{min-height:var(--play-control-height);padding:10px var(--play-control-padding-x);border-radius:16px;font-size:clamp(.88rem,1.4vh,.98rem)}.app-frame.playing-screen .answer-stage-choice{align-content:center}.app-frame.playing-screen .answer-stage-hard{align-content:start}.app-frame.playing-screen .keypad-panel{gap:var(--play-keypad-gap);align-content:start}.app-frame.playing-screen .keypad-display{min-height:var(--play-keypad-display-height);border-radius:20px;font-size:var(--play-keypad-display-size)}.app-frame.playing-screen .keypad-grid{gap:var(--play-keypad-gap)}.app-frame.playing-screen .keypad-button{min-height:var(--play-keypad-button-height);border-radius:18px;font-size:var(--play-keypad-font-size)}.app-frame.playing-screen .keypad-button.keypad-action{font-size:clamp(1.2rem,2.4vh,1.4rem)}.app-frame.playing-screen .keypad-submit{min-height:var(--play-submit-height);padding:10px 16px}.app-frame.playing-screen .status-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--play-status-gap)}.app-frame.playing-screen .status-card{min-width:0;gap:clamp(4px,.8vh,8px);padding:var(--play-status-padding-y) var(--play-status-padding-x);border-radius:16px}.app-frame.playing-screen .status-card span{padding:var(--play-status-badge-padding-y) var(--play-status-badge-padding-x);font-size:var(--play-status-label-size)}.app-frame.playing-screen .status-card strong{font-size:clamp(.95rem,2.2vh,1.2rem)}.answer-toolbar{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}.inline-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.status-feedback{flex:1 1 260px;min-height:24px}.answer-stage{display:grid;align-content:center;min-height:0}.answers-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-content:center}.keypad-panel{display:grid;gap:14px;align-content:center}.keypad-display{min-height:92px;border-radius:24px;display:grid;place-items:center;font-family:"Baloo 2",sans-serif;font-size:clamp(2.4rem,6vw,3.8rem);background:#0d13348f;border:1px solid rgba(210,220,255,.18)}.keypad-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.keypad-button{min-height:86px;border:1px solid rgba(205,220,255,.14);border-radius:20px;background:linear-gradient(180deg,#7563fa59,#2d54b447);color:#f7fbff;font-family:"Baloo 2",sans-serif;font-size:clamp(1.8rem,4vw,2.5rem)}.keypad-button.keypad-action{font-size:1.4rem}.keypad-submit{width:100%}.answer-button{min-height:110px;font-size:clamp(1.8rem,4vw,2.8rem);background:linear-gradient(180deg,#7563fa59,#2d54b447)}.pause-cover{min-height:234px;border-radius:24px;display:grid;place-items:center;gap:8px;text-align:center;background:radial-gradient(circle at center,rgba(101,204,255,.12),transparent 34%),#0d133485;border:1px solid rgba(210,220,255,.14)}.pause-cover strong{font-family:"Baloo 2",sans-serif;font-size:2rem}.pause-cover span{color:var(--text-soft)}.pause-cover.game-over-cover{min-height:234px;background:transparent;border-color:transparent}.status-row{justify-content:stretch}.status-card,.result-card{flex:1 1 150px}.result-grid{margin:18px 0}.result-panel .hero-actions{margin-top:18px}.game-over-banner{margin-top:18px;padding:18px;border-radius:24px;background:linear-gradient(135deg,#7a60ff47,#5ce7ff2e);border:1px solid rgba(195,215,255,.18);display:grid;gap:10px}.game-over-badge{display:inline-flex;width:fit-content;padding:8px 12px;border-radius:999px;background:#090f2852;border:1px solid rgba(205,220,255,.18);font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}.game-over-banner p{color:var(--text-soft)}.score-list{display:grid;gap:12px;margin-top:18px;min-height:0;overflow:auto;padding:0 6px clamp(16px,2.4vh,24px) 0;scrollbar-gutter:stable}.scoreboard-panel{display:grid;grid-template-rows:auto minmax(0,1fr);gap:18px;min-height:0;height:100%;overflow:hidden}.score-row{display:grid;grid-template-columns:auto 1fr auto;gap:14px;padding:16px 18px;border-radius:22px;background:#121942b8;border:1px solid rgba(213,224,255,.14);align-items:center}.score-rank{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#8968ffd1,#5adfffd1);color:#071124;font-weight:800}.score-meta,.score-side{display:grid;gap:6px}.score-side{text-align:right}@media(min-width:960px){.game-layout{grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr)}.answer-panel{min-height:0}}@media(max-width:959px){.hero-panel{grid-template-columns:1fr}.app-frame.playing-screen .game-layout{grid-template-columns:minmax(0,1fr) clamp(250px,37vw,300px);min-height:calc(100vh - 16px);min-height:calc(100dvh - 16px);min-height:calc(100svh - 16px)}}@media(max-width:740px){.mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.app-shell{padding:10px}.panel,.hero-panel{padding:16px;border-radius:24px}.difficulty-grid,.mode-grid,.answers-grid{grid-template-columns:1fr}.keypad-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.answer-button{min-height:88px}.score-row{grid-template-columns:auto 1fr}.score-side{grid-column:1 / -1;text-align:left}}@media(max-width:760px){.app-shell.playing-screen{padding:4px}.app-frame.playing-screen{min-height:calc(100vh - 8px);min-height:calc(100dvh - 8px);min-height:calc(100svh - 8px)}.app-frame.playing-screen .game-layout{grid-template-columns:minmax(0,1fr) clamp(220px,42vw,260px);min-height:calc(100vh - 8px);min-height:calc(100dvh - 8px);min-height:calc(100svh - 8px)}.app-frame.playing-screen .game-stage-inner{width:min(100%,calc((100vh - 24px) * 4 / 3));width:min(100%,calc((100dvh - 24px) * 4 / 3));width:min(100%,calc((100svh - 24px) * 4 / 3));max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px);max-height:calc(100svh - 24px)}}@media(max-width:1024px)and (orientation:portrait),(max-height:820px)and (orientation:portrait){.app-frame.playing-screen{min-height:auto;align-content:start}.app-frame.playing-screen .game-layout{grid-template-columns:1fr;min-height:0}.app-frame.playing-screen .game-stage,.app-frame.playing-screen .answer-panel{width:min(100%,860px);margin-inline:auto}.app-frame.playing-screen .game-stage-inner{width:min(100%,860px);max-height:none}.app-frame.playing-screen .answer-stage-choice,.app-frame.playing-screen .answer-stage-hard{align-content:start}}